Banks agreed to pay about $15.5 billion to settle claims by about 720,000 investors outside the U.S. who lost money in Bernard Madoff’s fraud, said the chairman of a group of law firms representing victims.

A former head of a technology company that was acquired by EBay Inc. agreed to pay $664,822 to resolve U.S. regulatory claims that he tipped friends to the pending takeover so they could earn more than $300,000 in illicit profits.